Home / 172,479,465.60-258,845,169.60-121,461,129.60

Finding the Fourth Proportional to 172,479,465.60, 258,845,169.60 and 121,461,129.60

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Solution

The fourth proportional to 172,479,465.60, 258,845,169.60 and 121,461,129.60 is: 182,280,404.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,479,465.60 : 258,845,169.60 = 121,461,129.60 : x
  2. Step 2: Convert to fraction form
    172,479,465.60/258,845,169.60 = 121,461,129.60/x
  3. Step 3: Cross multiply
    172,479,465.60x = 258,845,169.60 × 121,461,129.60
  4. Step 4: Simplify right side
    172,479,465.60x = 31,439,626,691,119,576
  5. Step 5: Solve for x
    x = 31,439,626,691,119,576/172,479,465.60
  6. Step 6: Final answer
    x = 182,280,404.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.